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mc_test/node_modules/@electron/universal/dist/esm/asar-utils.js

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+import asar from '@electron/asar';
+import { execFileSync } from 'child_process';
+import crypto from 'crypto';
+import fs from 'fs-extra';
+import path from 'path';
+import minimatch from 'minimatch';
+import os from 'os';
+import { d } from './debug';
+const LIPO = 'lipo';
+export var AsarMode;
+(function (AsarMode) {
+    AsarMode[AsarMode["NO_ASAR"] = 0] = "NO_ASAR";
+    AsarMode[AsarMode["HAS_ASAR"] = 1] = "HAS_ASAR";
+})(AsarMode || (AsarMode = {}));
+// See: https://github.com/apple-opensource-mirror/llvmCore/blob/0c60489d96c87140db9a6a14c6e82b15f5e5d252/include/llvm/Object/MachOFormat.h#L108-L112
+const MACHO_MAGIC = new Set([
+    // 32-bit Mach-O
+    0xfeedface,
+    0xcefaedfe,
+    // 64-bit Mach-O
+    0xfeedfacf,
+    0xcffaedfe,
+]);
+const MACHO_UNIVERSAL_MAGIC = new Set([
+    // universal
+    0xcafebabe,
+    0xbebafeca,
+]);
+export const detectAsarMode = async (appPath) => {
+    d('checking asar mode of', appPath);
+    const asarPath = path.resolve(appPath, 'Contents', 'Resources', 'app.asar');
+    if (!(await fs.pathExists(asarPath))) {
+        d('determined no asar');
+        return AsarMode.NO_ASAR;
+    }
+    d('determined has asar');
+    return AsarMode.HAS_ASAR;
+};
+export const generateAsarIntegrity = (asarPath) => {
+    return {
+        algorithm: 'SHA256',
+        hash: crypto
+            .createHash('SHA256')
+            .update(asar.getRawHeader(asarPath).headerString)
+            .digest('hex'),
+    };
+};
+function toRelativePath(file) {
+    return file.replace(/^\//, '');
+}
+function isDirectory(a, file) {
+    return Boolean('files' in asar.statFile(a, file));
+}
+function checkSingleArch(archive, file, allowList) {
+    if (allowList === undefined || !minimatch(file, allowList, { matchBase: true })) {
+        throw new Error(`Detected unique file "${file}" in "${archive}" not covered by ` +
+            `allowList rule: "${allowList}"`);
+    }
+}
+export const mergeASARs = async ({ x64AsarPath, arm64AsarPath, outputAsarPath, singleArchFiles, }) => {
+    d(`merging ${x64AsarPath} and ${arm64AsarPath}`);
+    const x64Files = new Set(asar.listPackage(x64AsarPath).map(toRelativePath));
+    const arm64Files = new Set(asar.listPackage(arm64AsarPath).map(toRelativePath));
+    //
+    // Build set of unpacked directories and files
+    //
+    const unpackedFiles = new Set();
+    function buildUnpacked(a, fileList) {
+        for (const file of fileList) {
+            const stat = asar.statFile(a, file);
+            if (!('unpacked' in stat) || !stat.unpacked) {
+                continue;
+            }
+            if ('files' in stat) {
+                continue;
+            }
+            unpackedFiles.add(file);
+        }
+    }
+    buildUnpacked(x64AsarPath, x64Files);
+    buildUnpacked(arm64AsarPath, arm64Files);
+    //
+    // Build list of files/directories unique to each asar
+    //
+    for (const file of x64Files) {
+        if (!arm64Files.has(file)) {
+            checkSingleArch(x64AsarPath, file, singleArchFiles);
+        }
+    }
+    const arm64Unique = [];
+    for (const file of arm64Files) {
+        if (!x64Files.has(file)) {
+            checkSingleArch(arm64AsarPath, file, singleArchFiles);
+            arm64Unique.push(file);
+        }
+    }
+    //
+    // Find common bindings with different content
+    //
+    const commonBindings = [];
+    for (const file of x64Files) {
+        if (!arm64Files.has(file)) {
+            continue;
+        }
+        // Skip directories
+        if (isDirectory(x64AsarPath, file)) {
+            continue;
+        }
+        const x64Content = asar.extractFile(x64AsarPath, file);
+        const arm64Content = asar.extractFile(arm64AsarPath, file);
+        if (x64Content.compare(arm64Content) === 0) {
+            continue;
+        }
+        if (MACHO_UNIVERSAL_MAGIC.has(x64Content.readUInt32LE(0)) &&
+            MACHO_UNIVERSAL_MAGIC.has(arm64Content.readUInt32LE(0))) {
+            continue;
+        }
+        if (!MACHO_MAGIC.has(x64Content.readUInt32LE(0))) {
+            throw new Error(`Can't reconcile two non-macho files ${file}`);
+        }
+        commonBindings.push(file);
+    }
+    //
+    // Extract both
+    //
+    const x64Dir = await fs.mkdtemp(path.join(os.tmpdir(), 'x64-'));
+    const arm64Dir = await fs.mkdtemp(path.join(os.tmpdir(), 'arm64-'));
+    try {
+        d(`extracting ${x64AsarPath} to ${x64Dir}`);
+        asar.extractAll(x64AsarPath, x64Dir);
+        d(`extracting ${arm64AsarPath} to ${arm64Dir}`);
+        asar.extractAll(arm64AsarPath, arm64Dir);
+        for (const file of arm64Unique) {
+            const source = path.resolve(arm64Dir, file);
+            const destination = path.resolve(x64Dir, file);
+            if (isDirectory(arm64AsarPath, file)) {
+                d(`creating unique directory: ${file}`);
+                await fs.mkdirp(destination);
+                continue;
+            }
+            d(`xopying unique file: ${file}`);
+            await fs.mkdirp(path.dirname(destination));
+            await fs.copy(source, destination);
+        }
+        for (const binding of commonBindings) {
+            const source = await fs.realpath(path.resolve(arm64Dir, binding));
+            const destination = await fs.realpath(path.resolve(x64Dir, binding));
+            d(`merging binding: ${binding}`);
+            execFileSync(LIPO, [source, destination, '-create', '-output', destination]);
+        }
+        d(`creating archive at ${outputAsarPath}`);
+        const resolvedUnpack = Array.from(unpackedFiles).map((file) => path.join(x64Dir, file));
+        let unpack;
+        if (resolvedUnpack.length > 1) {
+            unpack = `{${resolvedUnpack.join(',')}}`;
+        }
+        else if (resolvedUnpack.length === 1) {
+            unpack = resolvedUnpack[0];
+        }
+        await asar.createPackageWithOptions(x64Dir, outputAsarPath, {
+            unpack,
+        });
+        d('done merging');
+    }
+    finally {
+        await Promise.all([fs.remove(x64Dir), fs.remove(arm64Dir)]);
+    }
+};
+//# sourceMappingURL=asar-utils.js.map